Lighting device



FIG. 1 is a front isometric view of the lighting device;

FIG. 2 is a rear isometric view;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view;

FIG. 5 is a left side elevational view;

FIG. 6 is a right side elevation view;

FIG. 7 is a top plan view; and,

FIG. 8 is a bottom plan view.

The broken lines shown in the drawings depict portions of the articleand form no part of the claimed design.

CLAIM The ornamental design for a lighting device, as shown anddescribed.